> The harness's ability to tell the LLM "IMPORTANT: this is a skill, so pay attention and use it when appropriate" and then periodically remind them of this is what differentiates

... And do we know how it does that? To my understanding there is still no out-of-band signaling.

A lot of tools these days put an extra <system> message into the conversation periodically that the user never sees. It fights against context rot and keeps important things fresh.

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